Kubota fuel pump problem

Apr 12, 2020 ... 80K views · 12:54 · Go to channel · No more vacuum fuel pump problems! GY6 Won't start: FIX! [PROBLD PULSER UNIT]. Rolling Wrench•240K vie...

Kubota Zd326 Fuel System Problems. Fuel system problems in the Kubota ZD326 can cause a range of symptoms, including rough idle, hard starting, loss of power, and excessive black smoke from the exhaust. Here are some common fuel system problems and how to fix them: ... Faulty fuel pump: A faulty fuel pump can cause the engine to run poorly or ...The Kubota 2380 tractor is a reliable, compact tractor, but it faces several problems, some of which are easy to fix. The most common Kubota BX2380 problems are starting issues, stalling, PTO problems, overheating engine, a wobbly front wheel, and a loose steering wheel. Read on as we cover BX2380 problems and the best solution for each issue.Feb 9, 2012. #4. I did indeed check the fuel supply going to pump from fuel tank and it is pouring a very good stream. The lines that I cracked were from the lift pump going to the injectors and there was nothing even trying to come out there. I am not 100% positive on the ignition switch that was installed it was an aftermarket and not a ...Brief Explanation Of Kubota D722 Fuel Shut Off Solenoid. The kubota d722 fuel shut off solenoid is an electronic component that is attached to the fuel injection pump, and it’s responsible for controlling or stopping the flow of fuel into the engine. Specifically, it regulates the amount of fuel that enters the engine during startup and shutdown.Had a new head installed on this kubota kx121-3 super series mini excavator. Then developed a fuel delivery issue. The injectors were tested when head was re...

Wrong Timing of Fuel Pump; If the fuel pump timing is not perfect or the fuel pump is not working, buy a new one. This will most probably solve the issue. M7040-Output Problems; Sometimes, the Kubota M7040 cannot deliver its maximum output, and the tractor seems underpowered in hilly and off-road areas. The reason behind this …Additionally, a faulty fuel pump or a dirty fuel tank can also lead to engine stalling when the PTO is activated. Another possible cause could be related to the electrical system. If there is a problem with the wiring or a malfunctioning safety switch associated with the PTO engagement, it can result in the tractor shutting down as a safety ...9. Three years ago I was having a problem with 743B with the Kubota V1702 engine wanting to sputter, and die out on me. That problem seemed to fixed itself as it had been running trouble free for the last three years until today. The problem has come back, I have checked the fuel lines, the fuel pickup tube in the fuel tank, replaced the fuel ...So I am working on this kubota l185 that has been setting for years. I’ve replaced the wiring harness, fuel lines and fluids. I’ve got it to turn over and it will start with starter fluid. I’ve found that the fuel pump …Explore common Kubota MX5000 problems with expert insights. Troubleshoot and resolve issues for optimal tractor performance. ... Fuel System Problems. Issues within the fuel system, such as clogged fuel filters or a malfunctioning fuel pump, can lead to insufficient fuel supply to the engine. This results in a loss of power and difficulties in ...

To troubleshoot engine starting issues on your Kubota M8540 tractor, follow these steps: Check the fuel system: Inspect the fuel filters for clogs and replace if necessary. Drain any water from the fuel tank and add clean fuel. Test the fuel pump for proper operation. Assess the battery and electrical connections:6. Fuel pump issue. For the high pressure in the fuel pump, the pump can get damaged. A customer mentioned that he got a failure on his Kubota L3301 with a backhoe. The diesel motor didn’t crank. This can also happen for the wrong fuel type. You need to diagnose and change. You need to be careful about the wrong fuel injection pump timing.Kubota B7510 problems can include the engine shutting off suddenly. This can be caused by the fuel injection pump timing being set incorrectly. The solution is to adjust the timing according to Kubota specifications. Another problem that can cause the engine to shut off suddenly is fuel filter element clogging.Fixing a Kubota fuel pump problem will depend on the issue, its extent, and its nature. Sometimes, a clogged fuel filter can cause the problem, and you should replace it. Other times an electrical issue related to the fuel pump may cause the symptoms we described. To fix electrical issues in Kubota's fuel pump, a mechanic should test the ...These are some of the most common Kubota B7500 problems, and some general ideas are shown about how these problems can normally be dealt with. 1. The tractor won't start. The customers shared that their B7500 tractors were not being started. It can happen for the wrong position of the transmission gear shift lever.Kubota L2350 Problems 1. Difficulty starting the engine. One common problem reported by Kubota L2350 owners is difficulty starting the engine. If you encounter this issue, here are some potential solutions: ... Test the fuel pump: The fuel pump may be faulty, preventing fuel from reaching the engine. Ensure the pump is working properly and ...

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Tractor did not have fuel filter in fuel line. Recent new to me acquisition so I do not know how long tractor ran without filter. Solution: 1) Buy new pump - I did not get price; 2) Buy used pump $350 with one year warranty; 3) Have pump professionally rebuilt - Cost $650-750; 4) Rebuild pump myself. I chose option 4.5. Kubota M6060 Hard To Start Problem. Some possible reasons for this problem are: Bad maintenance. Might be the oil pressure reach zero. Problem with the fuel filter. Maybe air in the fuel system. Other Possible Reasons: To solve the Kubota engine hard to start problem make sure that the fuel filter of your tractor is clean. If your tractor ...Dec 27, 2018. Messages. 7. Tractor. Kubota B7800. Hello, I'm helping a friend troubleshoot an intermediate problem with his fuel solenoid. It seems to arbitrarily de-energize. We took the dash apart and jiggled wires on the dash and near where they go under the fuel tank. We were unable to find anything definitive.Troubleshooting Steps. To troubleshoot and identify the cause of an engine that won't start in the Kubota B2650 tractor, the following steps can be taken: Check the fuel level: Ensure there is an adequate amount of fuel in the tank. Inspect fuel filters: Check if the fuel filters are clean and not clogged. If they appear dirty, replace them.Kubota tech..BX2370, RCK60, B7100HST, RTV900 w plow, Ford 1100 FWA Nov 20, 2011 2,593 1,105 113 Kansas City, KS. May 10, 2020 #2 Pull the fuel hose running from the rear filter to the injection pump off of the injection pump, put it in a catch can, and turn the key to ON. ... Disconnect the fuel line after the pump and confirm a good flow. I ...

Regen Problems. Kubota L3901 regeneration problems result from insufficient oil, incorrect oil, faulty sensors, clogged Diesel Particulate Filters, and short drives. The regeneration process won’t start if the fuel tank is less than a quarter full. Regularly check the fuel levels and refill the tank to the appropriate levels for smooth ...The most common Kubota Sidekick problems are brake malfunctions, insufficient power, problematic starts, malfunctioning starter, colored exhaust fumes, slipping transmission, and heavy steering. Most of these problems arise due to preventable issues. For example, you can always check whether your vehicle has sufficient fuel, transmission, and ...A fuel shut off solenoid is a widely used component in all combustion engines. It can be found in boats, tractors, cars, lawnmowers, and so on. The Kubota is a trusted brand, and many machines use fuel shut off solenoids from the company. A fuel shut off solenoid is a gadget normally found near the engine next to the fuel pump.Oil Filter to suit Kubota D722 D750 D902 D905 D1005 D1105 D1305 V1305 V1505 Z482. £5,99. Add to Cart. OIL FILLER CAP. Quick View. Oil filler cap to suit most Kubota Engines (see list) £6,00. Add to Cart. Kubota Fuel Pumps, Lift Pumps, Injectors, Spill pipes, Filters.850 hours. What I've done so far: -New fuel filter. -Empty water separator / clean filter. - Fuel treatment in the tank. Was still doing it after this but I was hearing about it through Dad, so today I worked on it some. - Took fuel shutoff off, disassembled valve, cleaned with kerosene. (I read this can be the cause.L2550. As it turns out, the fuel delivery rack was indeed stuck and not moving freely. After doing some cleaning and a bit of work it now moves freely. I managed to re-install the fuel injector pump, and I get a 3-4" burst of fuel coming out of injector 2.Feb 19, 2023 · One of the most common problems that Kubota B2920 owners experience is a loss of engine power. Several factors, including a clogged air filter, fuel filter, or dirty fuel injector, can cause this issue. Another probable cause is a faulty fuel pump, which results in insufficient fuel flow to the engine. Solution Fuel flow to injector pump is good. Plenty of flow. Verified by removing hose after the second filter and watching it while turning on key. The lift pump functions normally and both filters are new. The solenoid clicks when the key is turned to the ON position, and again when it turns OFF. When the key is turned on, the solenoid is in the OUT ...1. ontario. Nov 18, 2017. #1. Hi all, new here! My 2005 L3400 with 600 hrs is acting up. It's hard to start and acts like its starved of fuel. I changed the fuel filter, bled the lines as per the manual. Starts then runs for a few minutes and the fuel level goes to bottom of filter, engine dies, fuel then refills to top of filter as per normal ...L4600 HST. Fuel valve got turned off by brush while bush hogging, it appears, same as running out of fuel. Turned fuel shut off back on and bowl filled immediately. We didn't know about the bleeder valve on top of the pump until later when talking to a local dealer. After turning the fuel back on, a friend tried to loosen front line …One of the most common problems that Kubota B2920 owners experience is a loss of engine power. Several factors, including a clogged air filter, fuel filter, or dirty fuel injector, can cause this issue. Another probable cause is a faulty fuel pump, which results in insufficient fuel flow to the engine. SolutionExplore common Kubota MX5000 problems with expert insights. Troubleshoot and resolve issues for optimal tractor performance. ... Fuel System Problems. Issues within the fuel system, such as clogged fuel filters or a malfunctioning fuel pump, can lead to insufficient fuel supply to the engine. This results in a loss of power and difficulties in ...

The Kubota Bx23s is a versatile and reliable compact tractor, but it is prone to some issues. Common problems include engine overheating, hydraulic pump failure, electrical issues, transmission problems, fuel problems, and steering issues. Taking proper care of the machinery and addressing any issue quickly can help prevent costly repairs down ...

Sep 19, 2014. #7. If the injection pump rack will not move to get the pump out, you can try removing the front and rear stops, (they will be under aluminum caps that you will need to pull off to get access to the nuts), note how deep they are set as this is a critical point on it running right when your done.Kubota. Kubota L2800 Fuel Injection pump. Jump to Latest Follow 4K views ... Well it appears it's a fuel pump problem, I hooked up an electric fuel pump and ran the machine with no problems, while running on that pump , hooked up a fuel line to the old pump and dropped into a diesel container seeing NO fuel movement by the pump, …Apr 23, 2023. #1. I recently purchased a replacement injector pump for my D1105 powered generator. It won't start unless I remove the cover that holds the throttle linkage and push the rack to the left as far as it will go, what adjustments do I need to make to the pump to get the engine running?Fuel Pump Malfunction: How To Recognize The Problem. The fuel pump is responsible for delivering fuel from the tank to the engine in your kubota svl75. When the fuel pump malfunctions, it can cause a range of issues. Recognizing the signs of a fuel pump problem is crucial to prevent further damage and ensure proper operation.3. Engine problem. The engine of the Kubota L4701 can lose power. Too much oil in the engine can cause this problem. Some owners have the tendency to pour oil more than necessary. But this is never recommended. Another cause of the engine problem is uneven fuel injection. The injection pump can get clogged. Replace the injection pump.Feb 2, 2022 ... 6:54. Go to channel · Kuboat tractor fuel pump problem and fix. oakpoint solutions•115K views · 14:39. Go to channel · Kubota L2550 things to&n...CharlesB7800 said: Well, for nearly $700 I have a new fuel pump and should get the tractor back Tuesday. 4.5 hours of labor to change a pump that was held in place by two nuts and two hose clamps! What a racket!Kubota RTV 500. 9973720wb19 said: did you try holding the key about 30 seconds on (without and before cranking) to turn on the fuel pump before cranking. ... That sounds like a fuel regulation problem, not a pump problem. What year RTV 500 do you have? RGAZ May 27, 2020 / Kubota RTV 500 won't start #7 . Sawyer Rob Super Member. Joined Dec 5 ...

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2,304. Location. Canada. Tractor. B3200, L5740, You do have a small electric fuel pump and it has likely quit either a bad wire or the pump failed. It is about the same size as your fuel filters and they usually place it between the first and second filters. Jan 22, 2011 / Help with fuel system question -BX2200 #8.Kubota M9000 Fuel Issue/Loosing Power. I think this same problem started last year with my M9000. I thought I had gotten bad fuel because the tractor would run normally then loose power almost stalling then run normally again for a few minutes. I drained the tanks (did not remove them), removed the crossover tube and inspected.To confirm a bad fuel pump I pressurized the fuel tank and it would start right up. The tractor always ran fine and started up fine after the initial start. Let the tractor sit 24 hours, the problem would be right back. Not fuel delivery, gets plenty of fuel hence the reason for a fouled plug.Fuel System Issues. Your Kubota M7060 tractor might encounter fuel system issues. Some of the common problems you might experience include clogged nozzles and fuel filters. To address these issues, replace your tractor's fuel filter every 50-75 hours you use it and nozzles every 500 hours. Check the fuel pump for leaks or malfunctions.Kubota Gr2100 Problems and Troubleshooting Problem 1: Engine starting issues Possible Causes: Fuel System Issues: One of the common causes of engine starting issues in the Kubota GR2100 is related to the fuel system. This could include problems such as a clogged fuel filter, a malfunctioning fuel pump, or contaminated fuel.Most Common Kubota Fuel Pump Problem. Ticking Sound. When you turn on the engine and hear a ticking sound, it is usually caused by water in the air filters. When the machinery starts making a ticking sound, the machine will run for three to four minutes, and after that, the sound will become rougher.Jun 3, 2022 · Jun 4, 2022. #5. Cmcnair55 said: Hello, I have a kubota v1505 on a wood mizer sawmill. I cannot get fuel past the injection pump, I have replaced the glow plug relay and the shut off solenoid and still have no luck. Any advice would be much appreciated, thanks! A very simple test, remove the fuel shutoff solenoid from the injection pump and see ... Loosen the hex, crank engine until fuel comes out, tighten bleeder, then start the engine. It may take some cranking if it has a lot of air in it. IIRC the hex bleeder is 10mm on the old 900's. Here's how I diagnose a no-fuel situation. Loosen hex bleeder at the injection pump, then crank engine. With the bleeder loose, it should pump some fuel ... ….

Despite there are some Kubota BX2380 problems, this tractor is one of the most popular choices among the customers. It's an excellent combination of size and power, which makes them more desirable! ... Excessive or too little air can cause problems to the fuel pump and interrupt the combustion rate. Hence, make sure that the air filter is ...When tank is low the injection pump is starving for fuel. When tank is fuller there is enough head (gravity) to feed the injection pump. If gasoline it may be the same problem but the pump is mounted close to the carburetor and is driven by the crankcase pressure changes- called a pulse pump. Drives little fuel but enough to keep the fuel …Back to WSM, do the 2 diagnostic steps, indicates no power to pump. Specific steps to diagnose, per manual: 1. Separate wiring connector. 2. Check voltage across connector when tractor turned on. -> result: 0. 3. Connect battery +/- to pump +/-.Carlsbad, NM. Tractor. 2015 Kubota RTV X-1120D. I have an RTV that keeps stalling while driving and hard to restart once it stalls. I've changed fuel filters, checked for air in the lines, checked for clogged lines, changed the solenoid, changed fuel pump. I've only ran red fuel in it since i bought it. The engine has 2,666 hrs and 27,485 miles ...RTV 900 Fuel Pump Update Thanks for all the replies - bought this fuel pump from Amazon.com: This was the low pressure (2.5-4 PSI) model and cost ~$20. I was able to reverse the polarity of the pump standard wiring (cut the wire and reversed positive for negative) on the pump plug in connector to match the connector on the Kubota (see attached ...Nov 12, 2018. #1. Hello, A couple weeks ago, I made the unfortunate mistake of letting my BX24 run out of fuel. The problem that resulted is that it will start and run every time, but it will intermittently lose power. This can be seen in the Tach gauge by going from full throttle of approximatley 3500 rpm down below 2000 rpm. The battery is dead or weak: If the starter cranks slowly or does not crank at all, you may need to charge or replace your battery. Faulty starter motor: If the battery is fine, but the engine fails to start, a faulty starter motor may be the cause. You can take your kubota l3200 to the garage and get it inspected. Fuel Pump. The Kubota SVL97-2 is powered by a fuel pump responsible for pumping fuel from the tank to the engine. If the fuel pump is not working correctly, the engine cannot start. Therefore, it is essential to inspect the fuel pump on a regular basis and ensure it is working correctly. Potential symptoms of a malfunctioning fuel pump include ... Kubota fuel pump problem, Nov 15, 2015 · Jun 3, 2019. #1. I have a 2 year old m7060, 286 hours. A few days ago it started cutting off after 3-5 minutes run time then start back up, might run for hours. I found a big glob of crap in the water separator that was jiggling/floating around and plugging fuel flow from sep to lift pump. I cleaned out the separator, then swapped fuel filter ... , Sep 4, 2023 · Problem 2. Kubota L3901 Engine Starts and Stalls. This problem is inherent to tractors like Kubota L2501. Typically, your machine will start and then stop mid-operation suddenly. This can be cumbersome, especially when performing a mowing or farming project. This issue is usually due to a defective fuel injection pump or a faulty fuel line. , Filter cleaned and back on. Fresh fuel in and started the bleeding process. Opened the one bleed screw at the filter and got rid of the air. Went to the Injector Pump and could not get any fuel out the air bleed. Had the screw out about 3 turns and got a couple bubbles but no fuel. The operators manual talks about the filter bleed screw at the ..., Fix all this and now it's time to bleed the system. The B7200 has a self bleeding filter with a vent tube back to the fuel tank. Problem one solved. The B7200 also has a bleed needle valve on the fuel injection pumps with a vent line up to the top of the #1 injector. The manual shows a bleed screw/nut, but not so, this is a knurled thumb screw ..., Hello Tim, welcome to the tractor forum. Sounds to me like your tractor is running on gravity fuel flow. Fuel pump is not working. See "Fig.No.0301XX"on attached parts diagram. This is a mechanical fuel pump, driven by the engine. Not an electric fuel pump. Kubota B2650HSD Parts Diagrams. This is an older thread, you may not receive a response ..., VT. Tractor. Kubota L5740 cab + FEL, KX121, KX080. This has happened to me a couple of times now. My 2020 X1140 will sputter and stall even though the fuel gauge says 1/4 tank. Any sort of incline will trigger it. So far I have always been able to get it restarted and running long enough to get home, but clearly there is a problem., Nov 20, 2021 · Removed fuel shut off solenoid to test. Line is getting only 11.5 volts when key is turned on, then 12 volts for a few seconds when key is turned off. solenoid doesn't seem to click when key is turned on but vibrates in my hand for 3 seconds when key turned off. It doesn't have a plunger I can see must be a new design. , What are the Problems of the Kubota BX23S Tractor? How to Tackle the Most Common Kubota Bx23s Problems? 1. Difficulty in Starting the Engine: Clean/Replace the Fuel Filter 2. Abrupt Shutdown of the Engine: Clean/Replace the Fuel Pump; 3. Loss of Hydraulic Fluid: Clean the Seal 4. Rough Tires: Put Patches 5., 4- Bleed the fuel system at the filter and the banjo fitting on the fuel pump to purge any/all remaining air....and start. The D1100A Kubota engines are strong, reliable and tough but the fuel system is delicate and prone to air ingesting when the relative fuel components become worn or aged. Good luck and let us know how it goes. Mark, May 28, 2015. #3. First thing, put the air hose down, all you will do is damage the complete fuel system. Start at the fuel filter pull the filter cartridge and turn on the fuel, should get good flow. Next pull the line that feeds the injection pump, again it should have good flow. On the top of the injection pump loosen the injector lines ..., 2,304. Location. Canada. Tractor. B3200, L5740, You do have a small electric fuel pump and it has likely quit either a bad wire or the pump failed. It is about the same size as your fuel filters and they usually place it between the first and second filters. Jan 22, 2011 / Help with fuel system question -BX2200 #8., Jun 30, 2023 · 1. Problem with Fuel Pump: The fuel pump is crucial in adequately functioning your Kubota RTV X1140. If you encounter any issues with the fuel pump, it can lead to various problems, including engine performance issues and difficulties starting or running the vehicle. Symptoms of Fuel Pump Issues: Difficulty starting the engine: , In this video I install, temporarily, my boost and EGT gauges so I can start tuning the Kubota V2403 for boost and fuel. Once the gauges are installed, I sta..., Buy Arko Tractor Parts Fuel Pump Replacement for Kubota Tractor L39 L3000 L3010 L3130 L3410 L3540 L3700 L3830 L3940: ... seems to be every bit as good as the manufactuirer's part. However, it proved not to be the culprit in my fuel supply problem. SO, on to the injector pump... :o(Read more. 2 people found this helpful. …, Holdenville Oklahoma US. Aug 21, 2018. #5. North Idaho Wolfman said: Yep sounds like you have a problem with the fuel injection pump, or contaminated fuel (gasoline contamination). It could even be caused by algae in the fuel, but that's less likely. Not very likely that changing the filter caused it., I imagine that would help the lift pump as well though its not under near the mechanical stress the injector pump is under. Trivia: A mechanic told me the high pressure fuel pumps on the CFM-56 series jet engine on the 737 used to pump out jet fuel at around 40,000 psi to get a nice spray pattern for combustion., 5 Problems of Kubota M6060 with Troubleshooting Problem 1: Engine Starting Issues Possible causes. Engine starting issues can be caused by various factors. Some common causes include: Fuel-related problems: Insufficient fuel, contaminated fuel, clogged fuel filters, or a malfunctioning fuel pump can affect the engine's ability to start., GlynnC. 916 posts · Joined 2009. #3 · Feb 16, 2017. My SIL has this Kubota--not sure the year model. His switch valve is located below the seat--there's a little access door to the valve. Not under the seat, but the seat platform. It's a manual valve, not electronic! BigFish., It has the water trap, the transfer pump/primer pump , the fuel filter and the injection pump and of course the two fuel tanks. More likely you have a fuel suction problem from the transfer pump back to the tank. Everything after the transfer pump would be pressure and would show as a leak. It you want to test this, make up a test hose from the ..., Sandpoint, ID. Jan 7, 2020. #2. Your playing with fire just randomly adding voltage as there is a controller (computer) in there that controls the fuel pump. I would suggest you get the WSM and follow the trouble shooting for the electrical to the fuel pump, it will very likely have a relay controlling it., I'm leaning toward fuel pump, or a screen on the pump being clogged, but I don't know a lot about this tractor and want some opinions before I start throwing parts …, The leading Kubota RTV X1100C problems are 1. Faulty drive shaft 2. Difficult windshield installation 3. Starting issues 4. ... Hydrostatic Transmission Pump Failure. If your Kubota X1100C refuses to respond after pressing the throttle, the hydrostatic pump will likely be faulty. ... To fix this problem, bleed the fuel system for about three ..., Kubota B8200 Fuel Pump Problem I decided to repair my fuel leak problem by eliminating the source of the leak..... mechanical fuel pump to electric. Will it..., Back to WSM, do the 2 diagnostic steps, indicates no power to pump. Specific steps to diagnose, per manual: 1. Separate wiring connector. 2. Check voltage across connector when tractor turned on. -> result: 0. 3. Connect battery +/- to pump +/-., The lever is the manual pump lever. Fill up your tank, put all the hoses and stuff back on. Losen the line on the transfer fuel (thing under the injection pump) pump (you want the discharge side, not the suction (fuel tank). Pump the manual lever until fuel comes out of it., L2250 fuel problem. Thread starter MSMike; Start date Oct 28, 2019; Forums. ... Put new lift pump on side of injector pump, pulled injector pump and fuel rail was seized up ( cleaned and moved freely now). ... Kubota wanted $1100 for the pump, and I had to prepay and wait for some time to get it. I finally contacted Oregon Fuel …, Kubota SVL75-2 hydraulic problems come with signs such as leaks, slow response, and noisy operations. How to fix: Check for a faulty hose or pump if the hydraulic fluid leaks from the system. Replace a damaged hose and hydraulic pump. If the hydraulic system responds slowly, check the fluid level. If it’s low, add more., Jan 28, 2014. #1. G1900 D722 engine hard starting and smoke/missing at low rpm and top rpm. Runs fine at 50 % to about 80%. No smoke, runs smooth. Have removed injection pump and injectors. Took to a certified fuel injector service shop. They cleaned and checked/calibrated pump and injectors. Did "minor repair" to one of the pump pistons., BX-1500. As the North Idaho Wolfman mentioned, the WSM from Kubota has no information on rebuilding the Fuel Injection Pump on the Kubota BX1500. Kubota wants one to purchase a new Injection pump if there is a problem with the pump. New or rebuilt pumps do not come cheap, Messicks wants $910.00 or so for one., M5040. I had some rubber get into my fuel tank by accident and degrade. It got all the way to the fuel/water separator and clogging it up. After cleaning the filter in the bowl twice the engine stopped completely. I have taken the tank off and cleaned, blown through all lines. Replaced the filter in the separator bowl and the main fuel filter., The problem was a broken wire connection where it plugged into the fuel relay behind the dash console. It took a long time to hunt down because Kubota doesn't indicate a fuel relay in the wiring diagram of a B7800. Nor do they indicate one in their parts listing diagram. If you ever suspect that you might have a bad fuel relay that supplies ..., Apr 12, 2022. #1. I had some rubber get into my fuel tank by accident and degrade. It got all the way to the fuel/water separator and clogging it up. After cleaning the filter in the bowl twice the engine stopped completely. I have taken the tank off and cleaned, blown through all lines. Replaced the filter in the separator bowl and the main ..., Location. Ohio. Tractor. Kubota M7040, Kubota MX5100, Deere 790 TLB, Farmall Super C. I have cleaned water separators or fuel filters on Kubotas several times. You close the petcock, drain the fuel and put things back together. Pump the bulb thing on top of the fuel filter, open the air wheel, start tractor and that's the end of it.